2398197 has 8 divisors (see below), whose sum is σ = 3258144. Its totient is φ = 1568528.

The previous prime is 2398189. The next prime is 2398211. The reversal of 2398197 is 7918932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2398197 - 2³ = 2398189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7383 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (407268).

2^2398197 is an apocalyptic number.

It is an amenable number.

2398197 is a deficient number, since it is larger than the sum of its proper divisors (859947).

2398197 is a wasteful number, since it uses less digits than its factorization.

2398197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139.

The product of its digits is 27216, while the sum is 39.

The square root of 2398197 is about 1548.6113134031. The cubic root of 2398197 is about 133.8530541835.

The spelling of 2398197 in words is "two million, three hundred ninety-eight thousand, one hundred ninety-seven".